Raman study of phase transitions in guanidinium iodide

Miroslaw Drozdowski; M. Grottel; Dobroslawa Kasprowicz; Marek Kozielski; Z. Pajak

doi:10.1117/12.224970

16 October 1995 Raman study of phase transitions in guanidinium iodide

Miroslaw Drozdowski, M. Grottel, Dobroslawa Kasprowicz, Marek Kozielski, Z. Pajak

Proceedings Volume 2373, Solid State Crystals: Materials Science and Applications; (1995) https://doi.org/10.1117/12.224970
Event: Solid State Crystals: Materials Science and Applications, 1994, Zakopane, Poland

Abstract

Temperature study of Raman scattering in polycrystalline guanidinium iodide C(NH₂)₃I is presented. Temperature dependences of the Raman intensity and full width at half maximum (FWHM) for the two most temperature sensitive bands -- 510 cm^-1 and 1528 cm^-1 -- have been investigated. A significant decrease in intensities and an increase in FWHM of the modes studied are observed with an increase in temperature. Moreover, for both temperature dependences we have also observed very large hysteresis while the temperature was decreasing.

Citation Download Citation

Miroslaw Drozdowski, M. Grottel, Dobroslawa Kasprowicz, Marek Kozielski, and Z. Pajak "Raman study of phase transitions in guanidinium iodide", Proc. SPIE 2373, Solid State Crystals: Materials Science and Applications, (16 October 1995); https://doi.org/10.1117/12.224970

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